I am running an analysis in a large population registry where individuals enter and leave the dataset at different time points.
When i estimated the IRR between two distinct groups and a health outcome, and then a HR, I am finding a small difference (IRR 2.18, HR 2.01).
Shouldn't they have...
In a large registry dataset of psychiatric patients, if one wants to find the excess risk of schizophrenia patients developing depression, what would be the best method to apply:
1) Use the relevant formula to calculate PAF (Population Attributable Fraction).
Formula can be...